re PR c++/85827 (false positive for -Wunused-but-set-variable because of constexpr-if)
PR c++/85827 g++.dg/cpp1z/constexpr-if29.C: New test. From-SVN: r274587
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2019-08-16 Marek Polacek <polacek@redhat.com>
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PR c++/85827
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* g++.dg/cpp1z/constexpr-if29.C: New test.
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2019-08-15 Jason Merrill <jason@redhat.com>
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2019-08-15 Jason Merrill <jason@redhat.com>
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PR c++/90393 - ICE with thow in ?:
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PR c++/90393 - ICE with thow in ?:
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// PR c++/85827
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// { dg-do compile { target c++17 } }
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// { dg-options "-Wunused-variable -Wunused-parameter" }
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template <int N> int f()
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{
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constexpr bool _1 = N == 1;
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constexpr bool _2 = N == 2;
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constexpr bool _3 = N == 3;
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if constexpr (_1) {
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return 5;
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} else if constexpr (_2) {
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return 1;
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} else if constexpr (_3) {
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return 7;
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}
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}
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int a() {
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return f<1>();
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}
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int b() {
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return f<2>();
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}
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int c() {
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return f<3>();
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}
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